Mayor Khan had joined forces with environmental groups and local councils to bring a legal challenge against a proposed new runway, arguing it was incompatible with the UK’s obligations to tackle climate change.

Although it remains a military airport, Northolt is also used by private flights and is marketed as offering the “perfect solution for those seeking quick, discreet and secure departure and entry into the UK.”

London Assembly members have called for City Hall’s 20th anniversary to be marked by the transfer of the Greater London Council’s coat of arms to the Greater London Authority.

Copley, a long-time campaigner for additional and high quality housing, succeeds James Murray who left the post to stand in last month’s General Election.

The scheme’s eligibility criteria has been broadened to include businesses with 50 or fewer employees – up from the 10 employees or fewer when the scheme first launched.